Stop mechanism for combing-machines.



C. A. LINDBERG & J. HINDLEY.

STOP MECHANISM FOR COMBlNG MACHNES.

APPLICATION FILED JUNE 7, 19!].

Patented May 14, 1918.

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(RIM 1w 1 3 (YA/L676 67". Tfbsga% 17m awN C. A. LINDBERG & I. HINDLEY.v STOP MECHANISM FOR COMBING MACHINES.

APPLICATION FILED JUNE 7. I917. 1,265,794. Patented May 14, 1918.

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352 314mm: Iowa proper mechanism prop er chains,

CLAES ALBIN LINDIBERG AND JOSEPH HINDI-EX, OF NEW BEDFORD, MASSACHUSETTSP I STOP MECHANISM FOR COMBING-MACHINES Specification of Letters Patent.

Application filed June 7, 1917. Serial No. 173,266.

To all whom it may concern:

Be it known that we, CLAES ALBIN LIND- BERG and JOSEPH HINDLEY, citizens of the United States, residing at New Bedford, in the county of Bristol and State of Massachusetts, have invented certain new and useful Improvements in Stop Mechanism for combing-Machines, of which the following is a specification.

This invention relates to a stop mechanism for fiber combing machines, and more particularly; to that class of combing machines now broadly in use in which weightpressed calendering rolls are provided to compress the combed fibers such as shown, foriinstance, in U. S. patent to Delette, No. 625,967 of'May so, 1899.

In the preparation of cotton, wool, and other fibers into a suitable condition for conversion into fabrics, the fiber is fed by a onto combing rolls which brush the tufts of fiber out into a fleecy sheet or layer in which the fibers all line in their ends overlapping. This sheet of fiber,

deringor piecing rolls which press the fibers closely together to permit of their further being drawn into a round, untwisted strand called a sliver. The calendering rolls must be supported yieldingly to permit them to spread when the/lap passes betweenthem, and in order to give them the tension, weights, suspended from hold the rollers together. There. is, however, a frequent tendency on'the part of these chains to break while the machine is operating, and if the machine is not stopped immediately, the lap may be broken and the machine injured, causing waste of time and material.

The object of the present invention is to provide a stop mechanism which shall automatically operate to render the machine inactive immediately upon the breaking of one or more of said chains. i

This object is attained by a simple device readily applicable to standard machines, and comprises a unique way of connecting the weights with a belt shifting member bymeans of a chain, or other fiexitechnicallyknown as the. lap, is fed from the combing rollsto calenble connector, sothat should a weight drop from its proper position the tension on the Patented May 14,1918.

chain would release a detent, allowing a spring to operate a. belt shifting mechanism.

In the accompanying drawmgs:

- Figure 1 is a somewhat diagrammatic side view of a combing machine embodying my invention; i v i Fig. 2 is a section through part of the machine, showing the s'pringfor operatingthe belt shifter;

Fig. 3 represents a diagrammatic section through themachine;

Fig. 4% shows in perspective how the automatic shifter connects with the usual shift rod on a combing machine;

Fig. 5 shows the trip mechanism to be operated when aweight falls;

Fig. 6 shows a top plan of the trip shown in Fig. 5. t v I i 1 represents diagrammatically the main frame of a combing machine 111 WlllOh there are one or more-usual1y from four to eight-combing heads 2. Each combing head 2 is provided, in addition to'combing mechanism (not shown) with feed rolls 8 and 4, known as detaching rolls, and calendering or piecing rolls 5 and 6 or any'suitable clutch mechanism. The lower calendering roll 5 is rigidly supported in a rocking frame 7 in the frame 1. Theupper calcndering roll 6 is yieldingly supported in any manner known in this class ofmachines for the purpose of allowing the rolls to spread when-the lap 8, coming from the combing mechanism passes between them.

In order to provide'the proper tension to compress the lap 'a'n arm 9, pivoted. at 10 and bearing downwardly on the ends of the roll 6, is provided at each end of the combing head.' Suspended from-the arms 9 by means ofchains 11 and bails 12 are weights 13, one weight with twochains preferably being suspended from each combing head.

All the combing heads 2, in a single frame 1, are driven from a single shaft 14 provided with a drivin pulley 15 and a loose pulley 16. The pu leys are driven by 'a belt17 connected with asuitable source of power. .Pivoted to the frame l is a belt shifting lever .18 provided with abelt enshould disengaging the pawl 31 allowing spring '28 to rotate shaft 2% by meansof arm 27 in the direction of the argaging member 19. Fulcriuned to the lever 18 is a rod 20, usually provided onmachines of this class, running the whole length of the frame 1 and slidably supported in bear ings 21 on said frame. 7

The rod 20'is provided with a don-1r wardly projecting arm 22 which may be adjustable on said rod. "Engaging the arm 22 is a ourvedarm. adjustably mounted on the rotatable vertical shaft :24 near the end of the frame 1. The upper end of the shaft 2% is supported in a bearing 25 and the lower end in the bearing block 26. Bigidly mounted on the 'shadftfla at any convenientzpoint is anarm 27, the outer tromityof which is connected :to one end'of a spring 28, the other end of the spring being secured to the frame 1. @rdinarily the arm 27 is so positioned that. the spring :28 is kept under considerable tension.

lieyecttothe. lower end of the shaft 24, adjacent the bearing block. 26, is a dog 29, provided with a shoulder 30. A pawl 31, provided with a similar shoulder 32, for engaging the dog 29, ispivotedon the bearingblo'chQG. This pawland dog serve as a *detentto normall v' hold the shat't 2% from rotation against the tension of spring 28. Piroted to the side of the bearing block 26, at 33, is a crank having its arm provided witha weight 36. The crank is provided with an eye 37 to which is'connected a chain, or'other suitable-connector, 38, passing throughre ves on the weights 13 and connected to the frame 1 by a suitable-bolt ,40. The bolt-i0 may be of such a mature as tofprovide for tightening or loosening thechain toiobtain a proper adjustment. El heupright;portionof the'crank 34 is adapted to engage and swing thesprojcctingipa wl '31 to release the dog29 when the tension onwthe chain orerbalances the weight 86.

During the operation of the machine, one-or=n1ore ofthe chains 11 break, permittinganyof the weights 13 to drop at either or bot-h'ends, the tension on the chain v3Swill increase, drawing over the cranltBel, thereby releasing the detent by from the-dog 29.

row in Fig.5d. The rotation of "theshaft 24: will cause the curved armfQfB to :push

-arm-22-.toward the trained, sliding the rod 20 in the :same direction, thereb operating the lever 18 to shiftithe belt 17 to 'the loose pulley 16, w causing the machine to stop.

Inasmuch as changes may be made inthe structural 6I11l30ill111611b of 111)?11'W611131011 wit-hin the scope of "the appended claims, it is intended ith-aththe accompanying drawshall beiconsi'dered aslillustratire of a preferred form rather than in a limiting sense.

li e claim as our invention:

l. The combination with a roll and its driving means of a tensioning weight and means automaticalb controlled-by displace ment of said tensioning weight for moving said driving means to inoperative position.

2. In combination with a combing .machine' having a piecing roll of a tensioning weight I for. the roll, actuated by displacement of said weight for moving said driving means to inoperative position.

Thecombination oi a piecing roll :having a vdriving means of a tensioningderice connected with the roll for holding the roll in normal positiomand means controlled by the tensioning derice tormoving saidzdrirsing means to inoperative position.

a. In a combing machine the combination witha piecing roll having a. tensioning weight and a :lDElt for driving said roll, of an automatic stop comprising a normally inoperative belt shifting {means for throwing the said driving belt out of operative relation with said roll, and means connecting.saidtensioning weight with said beltshifting means for operatingsaidbelt-shifting means by the displacement of the tensioning weight.

-5. In a combing machine, theconibination with a rollflharing a tensioningweight and a belt for driving :the roll, of an automatic stop comprising a mechanisintor shifting said belt out ofoperative relation withsaid roll, ,a spring inormally tending to operate said. bGllE-Slllflllllg :meohamsm, means for holdin 'said s rin -a ainst o oration. and

a a a i a means operable upon thedisplacement of said weight for ireleasing said spring.

GLAn automatic stop mechanism for a belt-driven iiecin roll rovided with atcnsioning weight, comprising a spring-actuated belt+shitting{mechanism having-a detent foriholding it against operationeand a chain connecting said detent with said weight for releasing the rdetent upon displacement of; the WGIgllt. 1

:7. "An automatic stop-motion for combing machines provided withzpiecing rolls .tand tensiomng weights therefor, comprising a belt-shifting lover, a sliding rod running the length "of the combing tmachine frame and connected with said lever, an arm-on said rod, a spring rotated shaft provided 'witho a projection dor engaging said arm, a

detent for normally holding said shaft from rotation, --and -a chain connecting the c0mbing machine weights with said detent for releasing the =detent upon displacement of the weight.

An automatic stop for comb1ngunaand an automatic stop chines having a plurality of piecing rolls and tensioning weights therefor comprising a spring operated belt-shifter, a detent for holding it against operation, a chain communicating with all the tensioning Weights on said combing machine and connected with said detent, and means on said detent for holding said chain normally under tension, said tensioning means being adapted to release the detent upon the displacement 10 of any of said weights.

In testimony whereof We have hereunto subscribed our names.

CLAES ALBIN LINDBERG. JOSEPH HINDLEY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

